Rare ancient artwork and pictures

[Nathan Ross]

And a couple of ladies. I've posted these before too, but the portraits are so fine I think they bear another look. First one is unidentified and (I think) found in the Capitoline Museum:

[attachment=9440]Bust1.jpg[/attachment]

The second is an imperial bust of a woman from the house of Constantine (probably). Educated guesses about the identity much appreciated!

[attachment=9441]ConstantinianLady.jpg[/attachment]